​Do you have cabin fever? Never feel isolated again! Holz100 is an innovative breathable building system that brings nature indoors. Holz100 homes are 100% pure solid wood, free of chemicals and toxins. Without synthetic glues and paints, or dust from mineral wool, the building is able to breathe and acts as a natural filter. Holz100 is an eco-friendly product, and perfect for allergy sufferers.